KNIGHT OF THE SEVEN KINGDOMS: COMP FIRST SEASON Grounded, laugh-leavened "Game of Thrones" prequel series set 90 years before the events of "GoT" stars Peter Claffey as Dunk, a hulking if lowly Westeros squire who inherits his late master's goods and seeks his own claim to knighthood as "Ser Duncan the Tall." Latched on to by the bald youth Egg (Dexter Sol Ansell), Dunk reluctantly takes him on as squire... but the savvy boy knows more than he's telling. 6 episodes on 3 discs. RUNTIME: 6 hours.